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Masahiro Kojima
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Tochigi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Treatment method for making heat exchanger hydrophilic and heat exc...
Patent number
6,554,916
Issue date
Apr 29, 2003
Nippon Paint Co., Ltd.
Masahiro Kojima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing brazeable aluminum material
Patent number
6,200,642
Issue date
Mar 13, 2001
Showa Aluminum Corporation
Tomiyoshi Kanai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Flux composition for brazing of aluminum material and method for br...
Patent number
6,059,174
Issue date
May 9, 2000
Showa Aluminum Corporation
Masahiro Kojima
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stack type evaporator
Patent number
5,800,673
Issue date
Sep 1, 1998
Showa Aluminum Corporation
Nobuyuki Okuda
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Brazeable aluminum material and a method of producing same
Patent number
5,594,930
Issue date
Jan 14, 1997
Showa Aluminum Corporation
Takashi Terada
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Brazeable aluminum material and a method of producing same
Patent number
5,581,799
Issue date
Dec 3, 1996
Showa Aluminum Corporation
Takashi Terada
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stack type evaporator
Patent number
5,514,248
Issue date
May 7, 1996
Showa Aluminum Corporation
Nobuyuki Okuda
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Continuous surface treating method and apparatus with inline centri...
Patent number
5,458,917
Issue date
Oct 17, 1995
Showa Aluminum Corporation
Tsutomu Motohashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hydrophilic coating composition and bath containing same
Patent number
5,350,445
Issue date
Sep 27, 1994
Nippon Paint Co., Ltd.
Fujio Mikami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Heat Exchanger, Method for Manufacturing the Same, and Heat Exchang...
Publication number
20090260794
Publication date
Oct 22, 2009
SHOWA DENKO K.K.
Kazuhiko Minami
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Treatment method for making heat exchanger hydrophilic and heat exc...
Publication number
20020040742
Publication date
Apr 11, 2002
Masahiro Kojima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...